CN110237574A - A kind of foam digestion instrument for discharge conduit - Google Patents

A kind of foam digestion instrument for discharge conduit Download PDF

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Publication number
CN110237574A
CN110237574A CN201910505188.8A CN201910505188A CN110237574A CN 110237574 A CN110237574 A CN 110237574A CN 201910505188 A CN201910505188 A CN 201910505188A CN 110237574 A CN110237574 A CN 110237574A
Authority
CN
China
Prior art keywords
main beam
crossbeam
discharge conduit
digestion instrument
foam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910505188.8A
Other languages
Chinese (zh)
Inventor
黄本胜
郭磊
邱静
黄锋华
雷洪成
刘达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Research Institute of Water Resources and Hydropower
Original Assignee
Guangdong Research Institute of Water Resources and Hydropower
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Research Institute of Water Resources and Hydropower filed Critical Guangdong Research Institute of Water Resources and Hydropower
Priority to CN201910505188.8A priority Critical patent/CN110237574A/en
Publication of CN110237574A publication Critical patent/CN110237574A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • B01D19/04Foam dispersion or prevention by addition of chemical substances

Abstract

The invention discloses a kind of foam digestion instrument for discharge conduit, main beam uses Three-dimensional movable formula structure, can move forward and backward up and down, and main beam is capable of the foams of adjoined water surface to the maximum extent, is in drift state, has stable optimal de-bubble position;This digestion instrument changes bubble peripheral gas circulation feature by draught fan impeller first, the pressure field on air bladder periphery is caused to change, to destroy the pressure balance inside and outside air bladder, so that bubble volume changes, the stress characteristic of liquid film changes to crumble and fall;Secondly positive hole for water spraying both can also drip by the tiny brute force attack water flow of high speed, directly destruction liquid film and spill defoaming agent, destroy liquid film to high-speed and high-efficiency.The invention is used for sewage and waste water process field.

Description

A kind of foam digestion instrument for discharge conduit
Technical field
The present invention relates to sewage and waste water process fields, more particularly to a kind of foam digestion instrument for discharge conduit.
Background technique
With the fast development of economic society, more and more plant projects are put into operation.Using in line power plant, in order to Improve the utilization efficiency of its circulating pump, it is ensured that condensation process operates normally, and is provided with siphonic water-collecting well, in drainage flow path to ensure Siphonage is formed in water intaking-condensation-drainage flow path.Overflow weir is provided in siphonic water-collecting well, to ensure certain draining head.? In actual moving process, because under a variety of effects such as cooling water quality situation and down stream aeration, the prosperous shape under siphonic water-collecting well overflow weir At the foams for being not easy to crumble and fall largely assembled, as water flow is discharged into surrounding waters, a degree of sense organ pollution and the heart are caused Reason is panic.In recent years, power plant's draining foam is by the extensive concern of media, has caused the query of environmental protection, part power plant by To the complaint and claim of neighbouring farm, the power plant's draining foam for how carrying out system is administered, and becoming direct cooling hydroelectric power plant must The problem that must be faced.
Currently, for the improvement of power plant's foam, main means have two major classes.One is use defoaming agent, this mode letter It is single efficient, but expense is huge, the one 1,011,000 unit years defoaming of the coastal Coastal Power Plant in south takes nearly 5,000,000 yuan, and this Mode be easy to cause secondary pollution;Another method is to carry out foam inhibition using engineering measure, by reducing down stream power to subtract The generation of few aeration foam, its main feature is that work well, persistently, expense it is low, domestic outer portion scientific research institution has carried out relevant Research, achieves certain research achievement, devises many foam inhibition engineering proposals.It should be pointed out that power plant's draining foam is controlled Reason is the engineering of a system, needs to comprehensively consider multimedia integrated uses such as " press down, keep off, arranging, disappearing, is broken ", could thoroughly Power plant's foam pollution is eliminated, wherein " suppression ", which reduces aeration intensity by engineering means, eliminates foam, " gear " i.e. by engineering means Reduce the excessive of foam;Foam is discharged by engineering means in " row ";" disappearing " is eliminated by certain physically or chemically means Foam;" broken " makes bubble collapse by certain physics and chemical means." press down, disappear " administered for power plant's draining foam Equal governing measures have had more research at present, but for governing measures such as " arrange, disappear, broken ", it is deeply thin it is still necessary to carry out The research of cause.
Summary of the invention
It is simple and reliable for structure the purpose of the present invention is to provide a kind of foam digestion instrument for power plant's discharge conduit, Manufacturing expense is low, can be used for the tract of common power plant's draining down stream point, can carry out Chemical Physics defoaming to foam simultaneously.
The technical solution used in the present invention is:
A kind of foam digestion instrument for discharge conduit, including dimensional support mechanism and main beam, dimensional support mechanism Including two vertical crossbeams and two flank crossbeams, vertical crossbeam is vertical shape, and flank crossbeam is horizontal, vertical crossbeam and side Wing crossbeam is slidably connected, and vertical crossbeam or the fixed setting of flank crossbeam, main beam is slidably connected with another crossbeam keeps winner horizontal Beam can move forward and backward up and down;The main beam is being equipped with cavity and channel along the inside that main beam length direction extends, along master Crossbeam length direction sees that the cross section of the cavity is C-shaped, and the cavity extends to two end faces of head and the tail of main beam, described Opening is arranged in cavity on the downside of the front of main beam, has needle structure in the cavity;The front of main beam is equipped with several Hole for water spraying, each hole for water spraying are connected to the channel;The left and right ends of the main beam all have draught fan impeller, draught fan impeller Air inlet or blowing direction are parallel with the length direction of main beam.
As an improvement of the above scheme, the needle structure includes being distributed in cavity or more inner wall and up and down towards opposite Several needle-shaped protrusions.
As an improvement of the above scheme, the opening is oriented obliquely, and the angle with horizontal plane is 30~45 °.
As an improvement of the above scheme, the input terminal in the channel is connected to different liquid reserve tanks by pump and switching valve, Each hole for water spraying is as output end.
As an improvement of the above scheme, liquid reserve tank is arranged two, accommodates water and defoaming agent respectively.
As an improvement of the above scheme, each hole for water spraying is oriented level.
As an improvement of the above scheme, the flank crossbeam is equipped with idler wheel, and the vertical crossbeam, which is equipped with, can store rolling The first groove of wheel.
As an improvement of the above scheme, the main beam is equipped with idler wheel, and the vertical crossbeam, which is equipped with, can store idler wheel Second groove.
As an improvement of the above scheme, two flank crossbeams are installed on the left and right inner wall of discharge conduit, vertical crossbeam It is connect in inside and with main beam.
Beneficial effects of the present invention:
Main beam uses Three-dimensional movable formula structure, can move forward and backward up and down, and main beam being capable of adjoined water surface to the maximum extent Foams, be in drift state, have stable optimal de-bubble position;This digestion instrument is changed by draught fan impeller first Bubble peripheral gas circulation feature causes the pressure field on air bladder periphery to change, so that the pressure destroyed inside and outside air bladder is flat Weighing apparatus, so that bubble volume changes, the stress characteristic of liquid film changes to crumble and fall;Secondly positive hole for water spraying both can be with By the tiny brute force attack water flow of high speed, directly destruction liquid film, it can also drip and spill defoaming agent, destroy liquid film to high-speed and high-efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the side view that foam digestion instrument is combined with discharge conduit;
Fig. 2 is the top view that foam digestion instrument is combined with discharge conduit;
Fig. 3 is the main view of main beam;
Fig. 4 is the direction view in the face main beam A-A;
Fig. 5 is the direction view in the face main beam B-B.
Specific embodiment
Referring to figs. 1 to Fig. 5, the present invention is a kind of foam digestion instrument for discharge conduit, including for realizing defoaming It the main beam 4 of purpose and is used to support the main beam 4 and ensures the dimensional support machine that main beam 4 can float on the water surface Structure.The protuberance on the left side is overflow weir 12 in Fig. 1.
The dimensional support mechanism includes two vertical crossbeam 2 and two flank crossbeams 3, and vertical crossbeam 2 is vertical shape, side Wing crossbeam 3 be it is horizontal, vertical crossbeam 2 is slidably connected with flank crossbeam 3, and vertical crossbeam 2 or flank crossbeam 3 are fixedly installed, and leads Crossbeam 4 is slidably connected with another crossbeam enables about 4 main beam to move forward and backward.The flank crossbeam 3 is horizontal positioned simultaneously And be slidably connected with the vertical crossbeam 2 of the same side and flank crossbeam 3 is moved up and down, the main beam 4 and and flank Crossbeam 3, which is slidably connected, enables 4 transverse movement of main beam.Based on the orientation in Fig. 1, it can be seen that main beam 4 can Left and right moves up and down, and the big arrow in Fig. 1 indicates water (flow) direction.
Be slidably connected both can be also possible to idler wheel and be moved in orbit using a pair of mutually nested rectilinear orbit.It is real Example one is applied, flank crossbeam 3 is fixed on the inner wall of discharge conduit 11, and vertical crossbeam 2 is in inside and connect with main beam 4;In interior The vertical crossbeam 2 of side is equipped with first groove and second groove, and flank crossbeam 3 and main beam 4 are equipped with can be in first groove and the The idler wheel moved in two grooves is so realized and is slidably connected.Embodiment two, vertical crossbeam 2 are fixed on the inner wall of discharge conduit 11, Flank crossbeam 3 is in inside and connect with main beam 4;Flank crossbeam 3 in inside is equipped with first groove and second groove, vertical Crossbeam 2 and main beam 4 are equipped with the idler wheel that can be moved in first groove and second groove, so realize and are slidably connected.
In other embodiments, the movement that main beam 4 is driven by motor and sensor, preferably, main beam 4 and side Wing crossbeam 3 uses aluminum alloy material, reduces self weight to the maximum extent, is slidably connected is not provided with power drive at this time, and main beam 4 is certainly The water surface so is swum in, is changed with the variation of water surface elevation.
Main beam 4 is being equipped with cavity 51 and channel 53 along the inside that 4 length direction of main beam extends, along 4 length of main beam Direction sees, referring in particular to Fig. 5, definition the right is the front of main beam 4, and the cross section of the cavity 51 is C-shaped, cavity 51 it is upper Portion is more horizontal, and opening is arranged in the cavity 51 on the downside of the front of main beam 4;The cavity 51 extends to the head and the tail of main beam 4 Two end faces can see cavity 51 referring to Fig. 3 and reach left and right ends;At the same time, there is needle body knot in the cavity 51 Structure 52.Water impacts the front of main beam 4 in flowing, and foam can be pushed into cavity 51, punctures liquid by physics mode at this time Film eliminates foams.
Preferably, the opening is oriented obliquely, the angle with horizontal plane in order to improve the efficiency into foam It is 30~45 °.
Preferably, the left and right ends of main beam 4 are equipped with the channel 53 connecting with cavity 51, negative pressure is formed in channel 53 will Foam siphons away, and drives foam to move on needle structure 52 by the way, and raising punctures efficiency.
Preferably, acicular texture uses high molecular material or metallic material, including it is distributed in about 51 cavity Wall and up and down towards opposite several needle-shaped protrusions.
The front of main beam 4 is equipped with several hole for water sprayings 54, and length direction of several hole for water sprayings 54 along channel 53 extends, respectively A hole for water spraying 54 is connected to the channel 53, and the structure of multiple branch pipes is set side by side in a similar general pipeline.Preferably, described logical The input terminal in road 53 is connected to different liquid reserve tanks by pump and switching valve, and each hole for water spraying 54 is used as output end, and liquid reserve tank is set Two are set, accommodates water and defoaming agent respectively.The highdensity hole for water spraying 54 of small size jet velocity can be more than in short-term The high pressure water flow of 6.0m/s.In order to avoid the water body and raw water water body that eject blend, secondary aeration occurs and produces bubble, when using high When fast water flow jet stream brokenly bubble, injection direction is set as horizontal direction, is mainly used for breaking through the liquid film of foams, eliminates the bone of foam Frame part.It is distinguished according to the output power size of pump, hole for water spraying 54 can also use low speed water clock mode, be mainly used for dispensing and disappear Alveolation agent;Since main beam 4 is close to foams, so defoaming effectiveness can be greatly improved using which dispensing, defoaming is reduced The dosage of agent, save the cost.
The left and right ends of the main beam 4 all have draught fan impeller 6, and draught fan impeller 6 uses waterproofing design, draught fan impeller 6 Air inlet or blowing direction it is parallel with the length direction of main beam 4.6 variable ratio frequency changer regulation power of draught fan impeller, both can be from main cross The edge of beam 4 carries out air blowing pressurization, can also carry out air-breathing decompression, and pressurization of being depressurized or blown by air-breathing, short duration substantially subtracts Foams ambient gas field pressure is lacked, the internal and external pressure balance of foams is destroyed, and can destroy liquid film to a certain extent. In conjunction with Fig. 4 and Fig. 5, it can be seen that draught fan impeller 6 is blown in cavity 51 or air-breathing.
Main beam 4 uses Three-dimensional movable formula structure, can move forward and backward up and down, main beam 4 can be to the maximum extent close to water The foams in face are in drift state, have stable optimal de-bubble position;This digestion instrument passes through draught fan impeller 6 first Change bubble peripheral gas circulation feature, causes the pressure field on air bladder periphery to change, to destroy the pressure inside and outside air bladder Dynamic balance, so that bubble volume changes, the stress characteristic of liquid film changes to crumble and fall;Secondly positive hole for water spraying 54 Both it can also drip by the tiny brute force attack water flow of high speed, directly destruction liquid film and spill defoaming agent, and destroy liquid to high-speed and high-efficiency Film.
Since structure is complicated for main beam 4 itself, during production, main beam 4 being designed to, muti-piece moulding is advised Component then reduces difficulty of processing, finally multiple components is stitched together.
Certainly, the design creation is not limited to above embodiment, and the combination of the various embodiments described above different characteristic can also To reach good effect.Those skilled in the art can also make equivalent change on the premise of without prejudice to spirit of the invention Shape or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (9)

1. a kind of foam digestion instrument for discharge conduit, it is characterised in that:
Including dimensional support mechanism and main beam, dimensional support mechanism includes two vertical crossbeams and two flank crossbeams, vertical Crossbeam is vertical shape, flank crossbeam be it is horizontal, vertical crossbeam is slidably connected with flank crossbeam, and vertical crossbeam or flank crossbeam are consolidated Fixed setting, main beam is slidably connected with another crossbeam enables main beam to move forward and backward up and down;
The main beam is being equipped with cavity and channel along the inside that main beam length direction extends, and sees along main beam length direction, The cross section of the cavity is C-shaped, and the cavity extends to two end faces of head and the tail of main beam, the cavity main beam just Setting opening on the downside of face, the cavity is interior to have needle structure;
The front of the main beam is equipped with several hole for water sprayings, and each hole for water spraying is connected to the channel;
The left and right ends of the main beam all have draught fan impeller, the air inlet or blowing direction of draught fan impeller and the length of main beam Direction is parallel.
2. the foam digestion instrument according to claim 1 for discharge conduit, it is characterised in that: the needle structure packet It includes and is distributed in cavity inner wall and towards opposite several needle-shaped protrusions up and down.
3. the foam digestion instrument according to claim 2 for discharge conduit, it is characterised in that: the direction of the opening For obliquely, the angle with horizontal plane is 30~45 °.
4. the foam digestion instrument according to claim 3 for discharge conduit, it is characterised in that: the input in the channel End is connected to different liquid reserve tanks by pump and switching valve, and each hole for water spraying is as output end.
5. the foam digestion instrument according to claim 4 for discharge conduit, it is characterised in that: liquid reserve tank setting two It is a, water and defoaming agent are accommodated respectively.
6. the foam digestion instrument according to claim 5 for discharge conduit, it is characterised in that: each hole for water spraying Be oriented level.
7. the foam digestion instrument according to claim 1 for discharge conduit, it is characterised in that: on the flank crossbeam Equipped with idler wheel, the vertical crossbeam is equipped with the first groove that can store idler wheel.
8. the foam digestion instrument according to claim 6 for discharge conduit, it is characterised in that: set on the main beam There is idler wheel, the vertical crossbeam is equipped with the second groove that can store idler wheel.
9. the foam digestion instrument according to any one of claim 1 to 8 for discharge conduit, it is characterised in that: two Flank crossbeam described in item is installed on the left and right inner wall of discharge conduit, and vertical crossbeam is in inside and connect with main beam.
CN201910505188.8A 2019-06-12 2019-06-12 A kind of foam digestion instrument for discharge conduit Pending CN110237574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910505188.8A CN110237574A (en) 2019-06-12 2019-06-12 A kind of foam digestion instrument for discharge conduit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910505188.8A CN110237574A (en) 2019-06-12 2019-06-12 A kind of foam digestion instrument for discharge conduit

Publications (1)

Publication Number Publication Date
CN110237574A true CN110237574A (en) 2019-09-17

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Family Applications (1)

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Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08196810A (en) * 1995-01-30 1996-08-06 Mitsubishi Heavy Ind Ltd Defoaming device
KR20130010781A (en) * 2011-07-19 2013-01-29 조경수 Bubble removal apparatus for waste water
WO2014050267A1 (en) * 2012-09-26 2014-04-03 三菱重工環境・化学エンジニアリング株式会社 Defoaming part
CN104828963A (en) * 2015-04-29 2015-08-12 四川和鼎环保工程有限责任公司 Elevating defoaming aeration tank
CN109497864A (en) * 2018-12-27 2019-03-22 张敏 A kind of self-adapting type circulation defoaming formula bathtub
CN210473141U (en) * 2019-06-12 2020-05-08 广东省水利水电科学研究院 Foam digestion device for drainage channel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08196810A (en) * 1995-01-30 1996-08-06 Mitsubishi Heavy Ind Ltd Defoaming device
KR20130010781A (en) * 2011-07-19 2013-01-29 조경수 Bubble removal apparatus for waste water
WO2014050267A1 (en) * 2012-09-26 2014-04-03 三菱重工環境・化学エンジニアリング株式会社 Defoaming part
CN104828963A (en) * 2015-04-29 2015-08-12 四川和鼎环保工程有限责任公司 Elevating defoaming aeration tank
CN109497864A (en) * 2018-12-27 2019-03-22 张敏 A kind of self-adapting type circulation defoaming formula bathtub
CN210473141U (en) * 2019-06-12 2020-05-08 广东省水利水电科学研究院 Foam digestion device for drainage channel

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